Home / 12,299,740,296.96-18,479,043,550.32-7,886,805,660.96

Finding the Fourth Proportional to 12,299,740,296.96, 18,479,043,550.32 and 7,886,805,660.96

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Solution

The fourth proportional to 12,299,740,296.96, 18,479,043,550.32 and 7,886,805,660.96 is: 11,849,081,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,299,740,296.96 : 18,479,043,550.32 = 7,886,805,660.96 : x
  2. Step 2: Convert to fraction form
    12,299,740,296.96/18,479,043,550.32 = 7,886,805,660.96/x
  3. Step 3: Cross multiply
    12,299,740,296.96x = 18,479,043,550.32 × 7,886,805,660.96
  4. Step 4: Simplify right side
    12,299,740,296.96x = 145,740,625,281,790,148,608
  5. Step 5: Solve for x
    x = 145,740,625,281,790,148,608/12,299,740,296.96
  6. Step 6: Final answer
    x = 11,849,081,506.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.